TDA9813T Просмотр технического описания (PDF) - Philips Electronics

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TDA9813T

VIF-PLL with QSS-IF and dual FM-PLL demodulator

Philips Electronics 

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2

VIF

1

VIF AMPLIFIER

28

SIF

27

CAGC

TOP

n.c.

tuner

AGC

loop

filter

25

3

4

16

5

2 x f PC

22 21

AFC

20

TUNER AND VIF-AGC

VCO TWD

AFC DETECTOR

18

FPLL

SIF

AMPLIFIER

SINGLE REFERENCE

MIXER

VIDEO DEMODULATOR

AND AMPLIFIER

8

VIDEO

BUFFER

19

TDA9813T

13

FM DETECTOR (PLL) 10

AF AMPLIFIER

video

1 V (p-p)

CVBS

2 V (p-p)

Vi(vid)

AF1

INTERNAL VOLTAGE

STABILIZER

SIF-AGC

26 24 23

7

1/2 VP

n.c.

5V

6

C AGC

9

17

5.5

n.c.

5.74

SIF

FM DETECTOR (PLL) 11

AF2

AF AMPLIFIER

15 14

12

MHA037

Fig.1 Block diagram.

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